1. University of Nebraska−Lincoln, Lincoln, Nebraska 68588, United States
2. CNRS, Institut de Chimie Physique UMR8000, Université Paris-Saclay, Orsay, 9140, France
3. J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, Kansas 66506, United States
4. SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
5. European XFEL, Schenefeld, 22869, Germany
6. Deutsches Elektronen Synchrotron DESY, Hamburg, 22607, Germany
7. Brown University, Providence, Rhode Island 02912, United States
8. School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
9. Daresbury Laboratory, Warrington, WA4 4AD, U.K.
10. Department of Chemistry, University College London, London, WC1H 0AJ, U.K.
11. Max Born Institute, Berlin, 12489, Germany
12. Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
13. School of Chemistry, University of Bristol, Bristol, BS8 1TS, U.K.